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Merge pull request #3147 from yglukhov/js-emit

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Emit pragma support for JS backend.
This commit is contained in:
Andreas Rumpf
2015-08-02 11:06:13 +02:00
parent 6fea1a7bb6 21e7e7c895
commit 2f25e74c9f
1 changed files with 11 additions and 5 deletions
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16
compiler/jsgen.nim
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@@ -729,14 +729,13 @@ proc genBreakStmt(p: PProc, n: PNode) =
p.blocks[idx].id = abs(p.blocks[idx].id) # label is used
addf(p.body, "break L$1;$n" | "goto ::L$1::;$n", [rope(p.blocks[idx].id)])
proc genAsmStmt(p: PProc, n: PNode) =
proc genAsmOrEmitStmt(p: PProc, n: PNode) =
genLineDir(p, n)
assert(n.kind == nkAsmStmt)
for i in countup(0, sonsLen(n) - 1):
case n.sons[i].kind
of nkStrLit..nkTripleStrLit: add(p.body, n.sons[i].strVal)
of nkSym: add(p.body, mangleName(n.sons[i].sym))
else: internalError(n.sons[i].info, "jsgen: genAsmStmt()")
else: internalError(n.sons[i].info, "jsgen: genAsmOrEmitStmt()")
proc genIf(p: PProc, n: PNode, r: var TCompRes) =
var cond, stmt: TCompRes
@@ -1578,6 +1577,12 @@ proc genStmt(p: PProc, n: PNode) =
gen(p, n, r)
if r.res != nil: addf(p.body, "$#;$n", [r.res])
proc genPragma(p: PProc, n: PNode) =
for it in n.sons:
case whichPragma(it)
of wEmit: genAsmOrEmitStmt(p, it.sons[1])
else: discard
proc gen(p: PProc, n: PNode, r: var TCompRes) =
r.typ = etyNone
r.kind = resNone
@@ -1677,12 +1682,13 @@ proc gen(p: PProc, n: PNode, r: var TCompRes) =
if n.sons[0].kind != nkEmpty:
genLineDir(p, n)
gen(p, n.sons[0], r)
of nkAsmStmt: genAsmStmt(p, n)
of nkAsmStmt: genAsmOrEmitStmt(p, n)
of nkTryStmt: genTry(p, n, r)
of nkRaiseStmt: genRaiseStmt(p, n)
of nkTypeSection, nkCommentStmt, nkIteratorDef, nkIncludeStmt,
nkImportStmt, nkImportExceptStmt, nkExportStmt, nkExportExceptStmt,
nkFromStmt, nkTemplateDef, nkMacroDef, nkPragma: discard
nkFromStmt, nkTemplateDef, nkMacroDef: discard
of nkPragma: genPragma(p, n)
of nkProcDef, nkMethodDef, nkConverterDef:
var s = n.sons[namePos].sym
if {sfExportc, sfCompilerProc} * s.flags == {sfExportc}: